Company lists · Data refreshed September 2026
Top 25 Contractor compliance software companies based in the United States
RevenueBase identified 266 contractor compliance software companies headquartered in the United States as of September 2026 and tracks 9,713 professional contacts across them, including 3,623 with verified work emails. New York is the largest hub.
This list covers contractor compliance software companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 contractor compliance software companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,577 contacts → | ||||
Indirect evidence “J.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,082 contacts → | ||||
Partial evidence “Established in 2001, ISN® is the global leader in contractor and supplier management.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,011 contacts → | ||||
Strong evidence “Infotech provides software solutions for construction administration and inspection, secure online bidding, and paperless contracting.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 645 contacts → | ||||
Partial evidence “Since 1986, HCSS been developing software to help construction companies streamline their operations.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 558 contacts → | ||||
Strong evidence “GSA National has been helping government contractors ensure compliance and streamline costs since 1991.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 530 contacts → | ||||
Strong evidence “KPA is a leading provider of Safety Management and Workforce Compliance software and services for a wide range of businesses.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 452 contacts → | ||||
Partial evidence “Veriforce combines the world’s largest network of client and contractor relationships with risk management insights that power safer, smarter, and faster operations.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 407 contacts → | ||||
Partial evidence “Autodesk makes software for people who design and make our world.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 200 contacts → | ||||
Partial evidence “Lumber is the industry’s leading all-in-one construction workforce management platform that streamlines payroll, time tracking, safety, compliance, field productivity, rewards…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 161 contacts → | ||||
Strong evidence “From safety software to stormwater inspections, trust HB NEXT to take the risk out of construction compliance, so you can focus on building.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 146 contacts → | ||||
Strong evidence “Openforce is the leading compliance, workforce management, and payments platform for contracting companies and independent contractors (IC vendors).” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 141 contacts → | ||||
Partial evidence “MOCA Systems, Inc.(MSI) was founded in as an outgrowth of MIT research in construction simulation and planning, with a mission to develop and deliver services and software…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 115 contacts → | ||||
Indirect evidence “AlignOps is the construction industry's first and most comprehensive operations management platform.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 103 contacts → | ||||
Strong evidence “B2Gnow is a national leader in software solutions that promote transparency, accountability, and compliance in public and private contracting.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 94 contacts → | ||||
Partial evidence “Government contractors deserve technology solutions that improve how they serve their federal customers, not get in the way.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 83 contacts → | ||||
Indirect evidence “Total Safety Consulting (TSC) understands the intense planning needed to ensure the safety of your workers and the public-and the cost of not doing it right.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 77 contacts → | ||||
Strong evidence “In the early 1990’s, ATSER pioneered the use of an electronic software solution for Quality Assurance verification and compliance oversight for use in the Civil Engineering…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 75 contacts → | ||||
Partial evidence “Alliant Consulting is the nation's premier third party prevailing wage compliance firm, offering prevailing wage oversight, training, and auditing services across the US and…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 75 contacts → | ||||
Partial evidence “Assignar is a cloud based compliance, asset and workforce management platform for highly regulated industries.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 67 contacts → | ||||
Partial evidence “BiltOn is a leading AI-powered safety and risk management platform purpose-built for enterprise General Contractors.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 61 contacts → | ||||
Partial evidence “Founded in 2008, VisibleThread is a trusted partner to 11 of the top 15 US Government Contractors.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 54 contacts → | ||||
Partial evidence “MetaField is industry-leading, modern software that automates field, lab, and reporting workflows for geotechnical engineering, construction materials testing, and inspection…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 48 contacts → | ||||
Indirect evidence “Welcome to EHS Insight, where our mission is more than just a statement-it's the foundation of everything we do.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 46 contacts → | ||||
Partial evidence “The work is never done when it comes to safety, hiring and compliance – but with TEAM you’re never alone.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 40 contacts → | ||||
Indirect evidence “Managing construction projects has never been this simple: Streamline your processes, eliminate client headaches and boost your bottom line today with Ressio.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: contractor compliance software companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names contractor compliance software companies.
- Partial evidence
- Its own public description names part of contractor compliance software companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name contractor compliance software companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 266 contractor compliance software companies based in the United States
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Contractor compliance software companies based in the United States at a glance
As of Sep 27, 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 266 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among contractor compliance software companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “contractor compliance software companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names contractor compliance software companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among contractor compliance software companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 3,623 across the full list. 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 September 27, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names contractor compliance software companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many contractor compliance software companies are there based in the United States?
RevenueBase identified 266 contractor compliance software companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
J. J. Keller & Associates, INC, headquartered in Neenah, tops this list with the largest team on record.
Which city has the most contractor compliance software companies?
New York leads with 17 headquartered companies, followed by Houston (10) and Orlando (7).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,623 verified decision-maker contacts tracked across these 266 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.
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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 Smart Search, 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.
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