Company lists · Data refreshed November 2026
Top 25 Complement reagent suppliers based in the United States
RevenueBase identified 50 company matches for complement reagent suppliers associated with the United States as of November 2026 and tracks 1,711 professional contacts across them, including 754 with verified work emails. Houston is the largest hub.
This list covers company matches for complement reagent suppliers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest complement reagent suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 306 contacts → | ||||
Exact match “Helping Make Research Possible We are helping make research possible by supplying scientists worldwide with the assay kits, antibodies, proteins, and biochemicals to advance their…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 258 contacts → | ||||
Exact match “For when you need it all.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 166 contacts → | ||||
Exact match “LGC Clinical Diagnostics’ KPL portfolio includes a range of over 800 reagents and kits for immunoassays, immunohistochemistry, infectivity assays and flow cytometry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 145 contacts → | ||||
Exact match “MedChemExpress (MCE) is a leading global supplier of life science reagents, dedicated to providing innovative solutions for scientific research and drug development.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 109 contacts → | ||||
Exact match “Meridian LIfe Science is a leading large-scale manufacturer of antibodies, viral antigens, recombinant proteins, blockers, PCR enzymes, nucleotides, and critical assay reagents.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 105 contacts → | ||||
Exact match “Rockland Immunochemicals, Inc.(Rockland) is a trusted partner to scientists worldwide, providing expertly designed and rigorously validated antibodies, assays, and supporting…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 103 contacts → | ||||
Exact match “Discover the World of LAMPIRE Biological Laboratories!” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 95 contacts → | ||||
Exact match “Based in Massachusetts, ABclonal is a dynamic and growing provider of biology research reagents and services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 46 contacts → | ||||
Exact match “Aviva Systems Biology helps scientists measure what matters.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 40 contacts → | ||||
Exact match “Since 1972, Bethyl has provided top-quality antibody products and services for research and diagnostic applications.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 32 contacts → | ||||
Exact match “Pel-Freez Biologicals produces high quality raw materials and intermediates for biological research and diagnostic manufacturing.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 28 contacts → | ||||
Exact match “For 35 years PBL Assay Science has developed and supplied specialty immunoassay products and biomarker testing services to basic, drug development, translational, and clinical…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 18 contacts → | ||||
Exact match “Innovative Research was established in 1998 after the realization that dependable, high-quality, and affordable research materials were hard to come by in the sizes researchers…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 17 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 14 contacts → | ||||
Exact match “Absolute Biotech specializes in antibody reagents, kits and services, adding value to existing antibodies through annotation, validation, sequencing, engineering and recombinant…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 14 contacts → | ||||
Exact match “In 2022, we became part of Absolute Biotech, a new company that unites multiple life science brands into one organization specializing in antibody reagents and services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 12 contacts → | ||||
Exact match “Plasma Services Group prides itself on being a leader in the specialty antibody collection process for the medical diagnostic and pharmaceutical industries.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 11 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 10 contacts → | ||||
Exact match “For nearly two decades Cell Sciences has been a worldwide provider of the highest quality research antibodies, proteins and immunoassay kits available for use in life science…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 6 contacts → | ||||
Exact match “Fitzgerald is now Biosynth.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 6 contacts → | ||||
Exact match “A biotechnology company which provides quality life science products, such as, antibodies, reagents, and assays for inflammatory and autoimmune diseases, pain, metabolism…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 5 contacts → | ||||
Exact match “Observe the Difference” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 4 contacts → | ||||
Exact match “Beta Lifescience is a professional company committed to providing premium quality life science research reagents worldwide across research and diagnostic markets.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 4 contacts → | ||||
Exact match “Bon Opus is a leading supplier of life science products and custom services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “complement reagent suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 50 complement reagent suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 754 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Complement reagent suppliers based in the United States at a glance
As of Nov 5, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 50 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “complement reagent suppliers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 754 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 5, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “complement reagent suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many complement reagent suppliers are there based in the United States?
RevenueBase identified 50 company matches for complement reagent suppliers associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Cayman Chemical tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most complement reagent suppliers?
Houston leads with 3 company records, followed by Novi (2) and San Diego (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 754 professional contacts with verified work emails tracked across these 50 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 50 complement reagent suppliers based in the United States. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
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- AI companies based in the United States
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- Utilities based in the United States
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Company intelligence · public preview
Top 25 complement reagent suppliers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 50 matching company records for complement reagent suppliers based in the United States, with 1,711 tracked contacts and 754 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 complement reagent suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Cayman Chemicalcaymanchem.comHQ: Ann Arbor, MI, United StatesReported employees: 201-500 | Ann Arbor, MI, United States | 201-500 | Exact match | 306 contacts → |
“Helping Make Research Possible We are helping make research possible by supplying scientists worldwide with the assay kits, antibodies, proteins, and biochemicals to advance their…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Proteintech Groupptglab.comHQ: Rosemont, IL, United StatesReported employees: 201-500 | Rosemont, IL, United States | 201-500 | Exact match | 258 contacts → |
“For when you need it all.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  KPL Part Of LGC Clinical Diagnosticsseracare.comHQ: Gaithersburg, MD, United StatesReported employees: 51-200 | Gaithersburg, MD, United States | 51-200 | Exact match | 166 contacts → |
“LGC Clinical Diagnostics’ KPL portfolio includes a range of over 800 reagents and kits for immunoassays, immunohistochemistry, infectivity assays and flow cytometry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Medchemexpress LLCmedchemexpress.comHQ: Monmouth Junction, NJ, United StatesReported employees: 1,001-5,000 | Monmouth Junction, NJ, United States | 1,001-5,000 | Exact match | 145 contacts → |
“MedChemExpress (MCE) is a leading global supplier of life science reagents, dedicated to providing innovative solutions for scientific research and drug development.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Meridian Life Science, INCmeridianbioscience.comHQ: Memphis, TN, United StatesReported employees: 501-1,000 | Memphis, TN, United States | 501-1,000 | Exact match | 109 contacts → |
“Meridian LIfe Science is a leading large-scale manufacturer of antibodies, viral antigens, recombinant proteins, blockers, PCR enzymes, nucleotides, and critical assay reagents.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Rockland Immunochemicals, INCrockland.comHQ: Limerick, PA, United StatesReported employees: 51-200 | Limerick, PA, United States | 51-200 | Exact match | 105 contacts → |
“Rockland Immunochemicals, Inc.(Rockland) is a trusted partner to scientists worldwide, providing expertly designed and rigorously validated antibodies, assays, and supporting…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Lampire Biological Laboratories, INClampire.comHQ: Pipersville, PA, United StatesReported employees: 51-200 | Pipersville, PA, United States | 51-200 | Exact match | 103 contacts → |
“Discover the World of LAMPIRE Biological Laboratories!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Abclonal Technologyabclonal.comHQ: Woburn, MA, United StatesReported employees: 501-1,000 | Woburn, MA, United States | 501-1,000 | Exact match | 95 contacts → |
“Based in Massachusetts, ABclonal is a dynamic and growing provider of biology research reagents and services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Aviva Systems Biologyavivasysbio.comHQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 46 contacts → |
“Aviva Systems Biology helps scientists measure what matters.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Bethyl Laboratories, Inc. Fortis Life Sciencesfortislife.comHQ: Montgomery, TX, United StatesReported employees: 51-200 | Montgomery, TX, United States | 51-200 | Exact match | 40 contacts → |
“Since 1972, Bethyl has provided top-quality antibody products and services for research and diagnostic applications.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Pel-Freez Biologicalspel-freez.comHQ: Rogers, AR, United StatesReported employees: 51-200 | Rogers, AR, United States | 51-200 | Exact match | 32 contacts → |
“Pel-Freez Biologicals produces high quality raw materials and intermediates for biological research and diagnostic manufacturing.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  PBL Assay Sciencepblassaysci.comHQ: Piscataway, NJ, United StatesReported employees: 11-50 | Piscataway, NJ, United States | 11-50 | Exact match | 28 contacts → |
“For 35 years PBL Assay Science has developed and supplied specialty immunoassay products and biomarker testing services to basic, drug development, translational, and clinical…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Innovative Researchinnov-research.comHQ: Novi, MI, United StatesReported employees: 11-50 | Novi, MI, United States | 11-50 | Exact match | 18 contacts → |
“Innovative Research was established in 1998 after the realization that dependable, high-quality, and affordable research materials were hard to come by in the sizes researchers…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Alpha Diagnostics4adi.comHQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 17 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 |  Absolute Biotechabsolutebiotech.comHQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 14 contacts → |
“Absolute Biotech specializes in antibody reagents, kits and services, adding value to existing antibodies through annotation, validation, sequencing, engineering and recombinant…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Lsbio Lifespan Biosciences, INClsbio.comHQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 14 contacts → |
“In 2022, we became part of Absolute Biotech, a new company that unites multiple life science brands into one organization specializing in antibody reagents and services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Plasma Services Groupplasmaservicesgroup.comHQ: Moorestown, NJ, United StatesReported employees: 11-50 | Moorestown, NJ, United States | 11-50 | Exact match | 12 contacts → |
“Plasma Services Group prides itself on being a leader in the specialty antibody collection process for the medical diagnostic and pharmaceutical industries.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Eagle Biosciences, INCeaglebio.comHQ: Amherst, NH, United StatesReported employees: 11-50 | Amherst, NH, United States | 11-50 | Exact match | 11 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 |  Cell Sciences, INCcellsciences.comHQ: Newburyport, MA, United StatesReported employees: 11-50 | Newburyport, MA, United States | 11-50 | Exact match | 10 contacts → |
“For nearly two decades Cell Sciences has been a worldwide provider of the highest quality research antibodies, proteins and immunoassay kits available for use in life science…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Fitzgerald Industries Intl- Biosynthbiosynth.comHQ: Gardner, MA, United StatesReported employees: 201-500 | Gardner, MA, United States | 201-500 | Exact match | 6 contacts → |
“Fitzgerald is now Biosynth.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  MD Bioproductsmdbioproducts.comHQ: Oakdale, MN, United StatesReported employees: 1-10 | Oakdale, MN, United States | 1-10 | Exact match | 6 contacts → |
“A biotechnology company which provides quality life science products, such as, antibodies, reagents, and assays for inflammatory and autoimmune diseases, pain, metabolism…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Biogems International, INCbio-gems.comHQ: Westlake Village, CA, United StatesReported employees: 11-50 | Westlake Village, CA, United States | 11-50 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 |  Empirical Bioscience Inc. Fortis Life Sciencesempiricalbioscience.comHQ: Kentwood, MI, United StatesReported employees: 11-50 | Kentwood, MI, United States | 11-50 | Exact match | 5 contacts → |
“Observe the Difference” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Beta Lifesciencebetalifesci.comHQ: Fairfield, NJ, United StatesReported employees: 51-200 | Fairfield, NJ, United States | 51-200 | Exact match | 4 contacts → |
“Beta Lifescience is a professional company committed to providing premium quality life science research reagents worldwide across research and diagnostic markets.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  BON Opus Biosciencesbonopusbio.comHQ: Millburn, NJ, United StatesReported employees: 1-10 | Millburn, NJ, United States | 1-10 | Exact match | 4 contacts → |
“Bon Opus is a leading supplier of life science products and custom services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 50 company matches
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Complement reagent suppliers: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
49 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 50 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for complement reagent suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many complement reagent suppliers did RevenueBase find based in the United States?
The saved snapshot records 50 matching company records, 1,711 tracked contacts and 754 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cite this list
RevenueBase Data Team. Top 25 complement reagent suppliers based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/complement-reagent-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Oil and gas companies based in the United States
- Utilities based in the United States
- 3d printing companies based in the United States
Company intelligence · public preview
Top 25 complement reagent suppliers based in the United States
RevenueBase records 50 matching company records for complement reagent suppliers based in the United States, with 1,711 tracked contacts and 754 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 complement reagent suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Cayman Chemicalcaymanchem.com HQ: Ann Arbor, MI, United StatesReported employees: 201-500 | Ann Arbor, MI, United States | 201-500 | Exact match | 306 contacts → |
“Helping Make Research Possible We are helping make research possible by supplying scientists worldwide with the assay kits, antibodies, proteins, and biochemicals to advance their…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Proteintech Groupptglab.com HQ: Rosemont, IL, United StatesReported employees: 201-500 | Rosemont, IL, United States | 201-500 | Exact match | 258 contacts → |
“For when you need it all.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | KPL Part Of LGC Clinical Diagnosticsseracare.com HQ: Gaithersburg, MD, United StatesReported employees: 51-200 | Gaithersburg, MD, United States | 51-200 | Exact match | 166 contacts → |
“LGC Clinical Diagnostics’ KPL portfolio includes a range of over 800 reagents and kits for immunoassays, immunohistochemistry, infectivity assays and flow cytometry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Medchemexpress LLCmedchemexpress.com HQ: Monmouth Junction, NJ, United StatesReported employees: 1,001-5,000 | Monmouth Junction, NJ, United States | 1,001-5,000 | Exact match | 145 contacts → |
“MedChemExpress (MCE) is a leading global supplier of life science reagents, dedicated to providing innovative solutions for scientific research and drug development.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Meridian Life Science, INCmeridianbioscience.com HQ: Memphis, TN, United StatesReported employees: 501-1,000 | Memphis, TN, United States | 501-1,000 | Exact match | 109 contacts → |
“Meridian LIfe Science is a leading large-scale manufacturer of antibodies, viral antigens, recombinant proteins, blockers, PCR enzymes, nucleotides, and critical assay reagents.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Rockland Immunochemicals, INCrockland.com HQ: Limerick, PA, United StatesReported employees: 51-200 | Limerick, PA, United States | 51-200 | Exact match | 105 contacts → |
“Rockland Immunochemicals, Inc.(Rockland) is a trusted partner to scientists worldwide, providing expertly designed and rigorously validated antibodies, assays, and supporting…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Lampire Biological Laboratories, INClampire.com HQ: Pipersville, PA, United StatesReported employees: 51-200 | Pipersville, PA, United States | 51-200 | Exact match | 103 contacts → |
“Discover the World of LAMPIRE Biological Laboratories!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Abclonal Technologyabclonal.com HQ: Woburn, MA, United StatesReported employees: 501-1,000 | Woburn, MA, United States | 501-1,000 | Exact match | 95 contacts → |
“Based in Massachusetts, ABclonal is a dynamic and growing provider of biology research reagents and services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Aviva Systems Biologyavivasysbio.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 46 contacts → |
“Aviva Systems Biology helps scientists measure what matters.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Bethyl Laboratories, Inc. Fortis Life Sciencesfortislife.com HQ: Montgomery, TX, United StatesReported employees: 51-200 | Montgomery, TX, United States | 51-200 | Exact match | 40 contacts → |
“Since 1972, Bethyl has provided top-quality antibody products and services for research and diagnostic applications.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Pel-Freez Biologicalspel-freez.com HQ: Rogers, AR, United StatesReported employees: 51-200 | Rogers, AR, United States | 51-200 | Exact match | 32 contacts → |
“Pel-Freez Biologicals produces high quality raw materials and intermediates for biological research and diagnostic manufacturing.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | PBL Assay Sciencepblassaysci.com HQ: Piscataway, NJ, United StatesReported employees: 11-50 | Piscataway, NJ, United States | 11-50 | Exact match | 28 contacts → |
“For 35 years PBL Assay Science has developed and supplied specialty immunoassay products and biomarker testing services to basic, drug development, translational, and clinical…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Innovative Researchinnov-research.com HQ: Novi, MI, United StatesReported employees: 11-50 | Novi, MI, United States | 11-50 | Exact match | 18 contacts → |
“Innovative Research was established in 1998 after the realization that dependable, high-quality, and affordable research materials were hard to come by in the sizes researchers…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Alpha Diagnostics4adi.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 17 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Absolute Biotechabsolutebiotech.com HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 14 contacts → |
“Absolute Biotech specializes in antibody reagents, kits and services, adding value to existing antibodies through annotation, validation, sequencing, engineering and recombinant…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Lsbio Lifespan Biosciences, INClsbio.com HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 14 contacts → |
“In 2022, we became part of Absolute Biotech, a new company that unites multiple life science brands into one organization specializing in antibody reagents and services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Plasma Services Groupplasmaservicesgroup.com HQ: Moorestown, NJ, United StatesReported employees: 11-50 | Moorestown, NJ, United States | 11-50 | Exact match | 12 contacts → |
“Plasma Services Group prides itself on being a leader in the specialty antibody collection process for the medical diagnostic and pharmaceutical industries.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Eagle Biosciences, INCeaglebio.com HQ: Amherst, NH, United StatesReported employees: 11-50 | Amherst, NH, United States | 11-50 | Exact match | 11 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Cell Sciences, INCcellsciences.com HQ: Newburyport, MA, United StatesReported employees: 11-50 | Newburyport, MA, United States | 11-50 | Exact match | 10 contacts → |
“For nearly two decades Cell Sciences has been a worldwide provider of the highest quality research antibodies, proteins and immunoassay kits available for use in life science…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Fitzgerald Industries Intl- Biosynthbiosynth.com HQ: Gardner, MA, United StatesReported employees: 201-500 | Gardner, MA, United States | 201-500 | Exact match | 6 contacts → |
“Fitzgerald is now Biosynth.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | MD Bioproductsmdbioproducts.com HQ: Oakdale, MN, United StatesReported employees: 1-10 | Oakdale, MN, United States | 1-10 | Exact match | 6 contacts → |
“A biotechnology company which provides quality life science products, such as, antibodies, reagents, and assays for inflammatory and autoimmune diseases, pain, metabolism…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Biogems International, INCbio-gems.com HQ: Westlake Village, CA, United StatesReported employees: 11-50 | Westlake Village, CA, United States | 11-50 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Empirical Bioscience Inc. Fortis Life Sciencesempiricalbioscience.com HQ: Kentwood, MI, United StatesReported employees: 11-50 | Kentwood, MI, United States | 11-50 | Exact match | 5 contacts → |
“Observe the Difference” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Beta Lifesciencebetalifesci.com HQ: Fairfield, NJ, United StatesReported employees: 51-200 | Fairfield, NJ, United States | 51-200 | Exact match | 4 contacts → |
“Beta Lifescience is a professional company committed to providing premium quality life science research reagents worldwide across research and diagnostic markets.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | BON Opus Biosciencesbonopusbio.com HQ: Millburn, NJ, United StatesReported employees: 1-10 | Millburn, NJ, United States | 1-10 | Exact match | 4 contacts → |
“Bon Opus is a leading supplier of life science products and custom services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 50 company matches
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Complement reagent suppliers: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
49 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 50 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for complement reagent suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many complement reagent suppliers did RevenueBase find based in the United States?
The saved snapshot records 50 matching company records, 1,711 tracked contacts and 754 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cite this list
RevenueBase Data Team. Top 25 complement reagent suppliers based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/complement-reagent-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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