Company lists · Data refreshed October 2026
Company lists starting with O
Browse RevenueBase's company lists whose topic starts with O. This alphabetical directory brings together industry and specialty topics alongside company lookalikes, with links to business details and contact coverage. You are viewing page 4.
Explore topics beginning with O, then open a list to compare companies, business descriptions, and contact coverage. The filter searches entries on this page; the main directory searches all topics.
Under O
- Oil and gas production management software companies35
- Oil and gas production software companies47
- Oil and gas project management companies85
- Oil and gas project management consultancies31
- Oil and gas project management consultants97
- Oil and gas project management software companies71
- Oil and gas recruitment agencies37
- Oil and gas regulatory consultants64
- Oil and gas robotics companies30
- Oil and gas safety consulting firms28
- Oil and gas safety management software companies85
- Oil and gas scheduling software companies46
- Oil and gas security companies1,746
- Oil and gas simulation and modeling software companies30
- Oil and gas simulation software companies245
- Oil and gas software companies31
- Oil and gas software consultants76
- Oil and gas software developers30
- Oil and gas staffing agencies2,367
- Oil and gas staffing companies41
- Oil and gas storage facilities26
- Oil and gas supply companies87
- Oil and gas tax accounting firms26
- Oil and gas trading companies246
- Oil and gas training software companies47
- Oil and gas transportation53
- Oil and gas transportation companies60
- Oil and gas valve manufacturers144
- Oil and gas valves manufacturers171
- Oil and gas waste management companies88
- Oil and gas wastewater treatment companies54
- Oil and gas well equipment installation companies31
- Oil and gas well services28
- Oil and gas well servicing companies30
- Oil and gas workforce management software companies32
- Oil based drilling fluids companies74
- Oil based ink manufacturers51
- Oil boiler manufacturers52
- Oil bottle manufacturers29
- Oil bottling and packaging companies103
- Oil centrifuge manufacturers27
- Oil change and lubrication services221
- Oil change franchises67
- Oil change services162
- Oil chiller manufacturers34
- Oil companies56
- Oil cooler manufacturers41
- Oil cutter manufacturers58
- Oil drilling companies36
- Oil drilling rig manufacturers47
- Oil exploration and production companies59
- Oil exploration companies56
- Oil extraction machinery manufacturers54
- Oil field chemical suppliers37
- Oil field consulting firms108
- Oil field equipment manufacturers28
- Oil field machinery companies29
- Oil field services176
- Oil field services companies167
- Oil field valve manufacturers159
- Oil filled transformer manufacturers51
- Oil filter manufacturers78
- Oil filtration machinery manufacturers45
- Oil filtration manufacturers41
- Oil furnace manufacturers80
- Oil gas companies37
- Oil gas consulting firms44
- Oil gas drilling companies39
- Oil gas inventory management companies31
- Oil gas material handling companies170
- Oil gas procurement services183
- Oil gas risk management companies29
- Oil gas supply chain management companies77
- Oil gas warehousing companies27
- Oil gas waste management companies59
- Oil gas well equipment manufacturers45
- Oil heating equipment manufacturers38
- Oil line pipe manufacturers44
- Oil lubricant manufacturers37
- Oil pipeline operators75
- Oil pressing mills31
- Oil producers30
- Oil production software companies45
- Oil rail transport companies78
- Oil recovery and recycling companies30
- Oil refineries26
- Oil refinery construction companies60
- Oil refinery construction contractors60
- Oil refinery equipment contractors51
- Oil refining companies106
- Oil replacers companies99
- Oil rig fabrication companies30
- Oil rig maintenance companies68
- Oil rig operators26
- Oil rig staffing companies46
- Oil seals and bearings manufacturers91
- Oil separator manufacturers94
- Oil spill cleanup companies29
- Oil spill law firms27
- Oil spill response companies48
- Oil spill response contractors55
- Oil storage and terminal operators41
- Oil storage companies31
- Oil storage facilities26
- Oil storage tank installation companies30
- Oil storage tank manufacturers40
- Oil storage terminals34
- Oil tank manufacturers34
- Oil tanker companies28
- Oil terminal construction companies56
- Oil terminal operators31
- Oil tin can manufacturers34
- Oil water separation companies41
- Oil well drilling fluid suppliers28
- Oil well pump manufacturers54
- Oil-free air compressor manufacturers42
- Oilfield automation software companies41
- Oilfield casing and tubing companies54
- Oilfield chemical suppliers42
- Oilfield chemicals suppliers74
- Oilfield companies351
- Oilfield completion services companies113
- Oilfield consulting firms65
- Oilfield data analytics companies110
- Oilfield equipment suppliers40
- Oilfield instrumentation companies67
- Oilfield logistics companies73
- Oilfield management software companies27
- Oilfield monitoring software companies1,220
- Oilfield pipe manufacturers32
- Oilfield pumping services companies79
- Oilfield rental companies32
- Oilfield security services25
- Oilfield service companies125
- Oilfield services companies2,254
- Oilfield software companies1,638
- Oilfield tubular goods suppliers154
- Oilfield valve manufacturers29
- Oilfield valves and fittings suppliers105
- Oilfield waste disposal companies53
- Oilfilled transformer manufacturers47
- Oilfree air compressor manufacturers34
- Oilseed crop farmers77
- Oily water separation companies32
- Ointment and cream filling machine manufacturers30
- Okanagan marketing agencies44
- Okr tracking software companies62
- Olap database companies41
- Olap software companies68
- Oled display makers25
- Oled display manufacturers241
- Oled monitor companies27
- Oled tv manufacturers42
- Olefins producers86
- Oleochemical suppliers102
- Oleophobic coatings companies29
- Olfactory branding agencies63
- Olfactory experience brands82
- Oligonucleotide manufacturers28
- Olive oil producers97
- Olive oil tasting tour companies131
- Olive orchard companies85
- Olive processing companies45
- Oliver Agency Apac lookalikes112
- Olympic diving equipment providers57
- Omakase restaurants99
- Ombudsman services28
- Omega 3 fatty acids companies38
- Omega-3 prenatal supplement companies42
- Omega-3 supplement companies32
- Omega-3 supplement makers55
- Omega-3 supplement manufacturers84
- Ometria lookalikes105
- Omics data integration platforms159
- Omilia lookalikes1,106
- Omnichannel advertising agencies37
- Omnichannel advertising platforms61
- Omnichannel analytics companies540
- Omnichannel analytics software companies34
- Omnichannel chatbot platforms95
- Omnichannel commerce developers65
- Omnichannel commerce platforms116
- Omnichannel commerce software companies35
- Omnichannel communication platform companies115
- Omnichannel communication platform developers25
- Omnichannel communication platforms759
- Omnichannel communication software providers70
- Omnichannel contact center consultants27
- Omnichannel contact center platforms112
- Omnichannel contact center providers67
- Omnichannel contact center software vendors62
- Omnichannel contact centers34
- Omnichannel customer engagement platforms32
- Omnichannel customer service platforms94
- Omnichannel customer service software companies69
- Omnichannel ecommerce agencies61
- Omnichannel ecommerce developers36
- Omnichannel engagement platform software companies37
- Omnichannel engagement platforms32
- Omnichannel experience platforms60
Counts are matching companies in the RevenueBase company graph as of each list's last refresh date.
About RevenueBase
RevenueBase is a B2B data infrastructure company that provides company and contact data for go-to-market teams, software products, and agencies. Its data helps businesses identify target accounts, find relevant people, and maintain the company and contact records they use for sales and marketing.
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How RevenueBase company lists work
These lists are generated from RevenueBase's company data using RevenueBase Smart Search. Category lists collect businesses matching a description and geography. Lookalike lists identify companies with business descriptions similar to a reference company. Use the company details and contact coverage on each list to assess the matches.
Questions about these company lists
How do I use the company lists A-Z directory?
Choose the first letter of an industry, specialty, or company name, then open the relevant list. Topics with more entries have additional index pages. Use the main company lists directory to search across all topics.
What information do RevenueBase company lists include?
Company list pages show business names, websites, descriptions, company size bands, headquarters, and available contact counts. Contact records, including work emails and phone numbers where available, are accessed through RevenueBase. Coverage varies by company and location.
How current are the company lists?
Company lists are refreshed periodically from RevenueBase's company data. Check the data date on each list to assess its recency. The directory header uses the latest source date across published lists; individual lists can have different dates.