Company lists · Data verified August 2026

Top 25 Drilling optimization software companies based in the United States

Name: Drilling optimization software companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 551 companies tracked

There are 551 drilling optimization software companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 132,207 professional contacts across them, including 40,310 with verified work emails and 22,327 with mobile numbers. Houston is the largest hub.

This list covers drilling optimization 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. Data current as of August 28, 2026.

551Companies

132,207Contacts tracked

40,310Verified emails

22,327Mobile numbers

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The 25 largest drilling optimization software companies based in the United States

Ranked by team size

Top 25 of 551 drilling optimization software companies based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	SLB	Houston, TX	10001+	76,078	24,887
2	NOV	Houston, TX	10001+	29,593	9,292
3	Nabors Industries	Bermuda	10001+	5,885	1,252
4	KEY Energy Services	Houston, TX	1,001-5,000	2,755	615
5	Scientific Drilling	The Woodlands, TX	1,001-5,000	1,138	432
6	Ulterra Drilling Technologies L.P	Houston, TX	501-1,000	533	357
7	Thru Tubing Solutions	Newcastle, OK	501-1,000	427	76
8	Total Directional Services, LLC	Windsor, CO	51-200	316	110
9	Leam Drilling Services	Conroe, TX	501-1,000	294	47
10	Independence Contract Drilling	Houston, TX	201-500	286	54
11	Gordon Technologies, LLC	Scott, LA	201-500	268	181
12	MS Directional	Midland, TX	501-1,000	214	114
13	MS Energy Services	Conroe, TX	501-1,000	209	32
14	BOS Solutions	Houston, TX	201-500	196	49
15	Pakenergy	Abilene, TX	51-200	182	110
16	Diversified	Reserve, LA	201-500	181	47
17	Reservoir Group	Stafford, TX	201-500	178	85
18	ROGII	Houston, TX	201-500	176	90
19	Ikon Science	Houston, TX	51-200	143	66
20	WWT International	Houston, TX	51-200	134	54
21	Edge Systems	Pinehurst, TX	51-200	129	6
22	Enventure Global Technology INC	Houston, TX	51-200	114	74
23	Enertia Software	Dallas, TX	51-200	107	61
24	Impac Exploration Services	Weatherford, OK	51-200	99	29
25	Taurex Drill Bits	Conroe, TX	51-200	91	48

Showing 25 of 551 drilling optimization software companies based in the United States

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Drilling optimization software companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

HoustonLargest hub · 188 HQs

22,327Contacts with mobile numbers

70Emails re-verified in last 30 days

Companies by employee count

1-10

229

11-50

198

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Drilling optimization software companies by metro

Metro	Companies
Drilling optimization software companies in Houston	188
Drilling optimization software companies in Midland	25
Drilling optimization software companies in Denver	16
Drilling optimization software companies in Conroe	14
Drilling optimization software companies in Austin	14
Drilling optimization software companies in The Woodlands	14
Drilling optimization software companies in Katy	13
Drilling optimization software companies in Spring	11

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “drilling optimization software companies”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 70 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many drilling optimization software companies are there based in the United States?

There are 551 drilling optimization software companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

SLB, headquartered in Houston, tops this list with the largest team on record.

Which city has the most drilling optimization software companies?

Houston leads with 188 headquartered companies, followed by Midland (25) and Denver (16).

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 40,310 verified decision-maker contacts tracked across these 551 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.