| Format | Example | Percentage |
|---|---|---|
| Format:firstNamelastName | janedoe@cavernsolutions.com | Percentage:59% |
| Format:firstName-lastNameInitial | jane-d@cavernsolutions.com | Percentage:28% |
| Format:lastNameInitialfirstNameInitial | dj@cavernsolutions.com | Percentage:6% |
| Format:lastNameInitial.firstNameInitial | d.j@cavernsolutions.com | Percentage:3% |
| Format:firstNameInitial.lastNameInitial | j.d@cavernsolutions.com | Percentage:2% |
| Format:lastName-firstNameInitial | doe-j@cavernsolutions.com | Percentage:2% |
SubTerra USA employee email verification for instant deliverability checks.
SubTerra USA, headquartered in Houston, Texas, delivers engineering solutions within the energy sector since 2014. With a team of 10–50 professionals and annual revenue between $10 M and $50 M, the firm specializes in underground storage, solution mining, brine mining, disposal wells, salt dome storage, and reservoir storage for hydrocarbons, gas, and crude oil.
The company’s technical portfolio includes facilities design, well design, permitting, remediation, mechanical integrity testing (MIT), operator training, API 1115, API 1170, API 1171 compliance, integrity management, cavern hydraulics, geomechanical studies, and 3‑D seismic analysis. SubTerra USA also manages cavern storage and well drilling operations.
Leadership features Vice President – Science & Engineering Joel Warneke PhD PE, Vice President Operations Dean Tumlinson, Vice President – Contracts and Finance Tony Norris, along with senior experts such as Sarah Warneke (Petrophysicist), Luc LEcuyer (Project Manager), Corey Shircliff (Geologist), and Robert Vetter (Cavern Engineer).
SubTerra USA uses 6 email formats across its organization. The most common pattern is firstNamelastName (e.g., janedoe@cavernsolutions.com), used in approximately 59% of work addresses.
SubTerra USA currently employs over 10-50 people from United States, Canada, with a head office in Houston, Texas, US.
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