ASME Certificate of Authorization — "U" Single Certification Mark
Manufacture of pressure vessels at the above location and field sites controlled by the above location (this authorization does not cover impregnated graphite).
Specialty and general mechanical contractor
Innovation · Efficiency · Safety
Over 25 years of combined personnel experience in the oil and gas industry, delivering reliable mechanical solutions grounded in a legacy of excellence and earned client trust.
Who is IES
Reliable mechanical solutions
International Energy Services, LLC (IES) brings over 25 years of combined personnel experience in the oil and gas industry, delivering reliable mechanical solutions grounded in a legacy of excellence and earned client trust.
- Specialty and general mechanical contractor.
- Focused on refining, petrochemical, chemical, gas processing, fertilizer and pulp/paper markets.
- QA/QC inspection background with connections throughout the industry.
- Entrepreneur spirit.
- SBA 8(a) minority owned business (Houston Minority Supplier Development Council member).
Capabilities
Services & Capabilities
Turnaround and construction services delivered in the shop and in the field.
SERVICE AREA
Turnaround and Construction Services
- Complete tower, coke drums, heat exchanger, reactors, heaters and drum services.
- General and preventative maintenance.
- Operation revamps and upgrades.
- Fabrication & installation (pipe and pressure vessel).
- Construction projects (<$20MM).
- Project management.
- Terminal services (piping and mechanical).
- Specialty welding and mechanical.
- FCC revamps.
- API inspections (510, 653, 570), manufacturing of trays & packing, as well as consignment hardware.
- Bolting services / bolt torquing and stud tensioning.
- Nozzle replacement.
- Tower services – open & inspect, clean and repair, tray removal & installation, coded internal vessel welding.
- Load dehydrators & carbon filters.
Markets
Industries Served
Refining
Petrochemical
Chemical
Gas Processing
Fertilizer
Pulp / Paper
Safety
Verified Safety Performance
IES safety goal is zero harm, zero recordable and zero environmental incidents.
0
TRIR
0
LTIR
256,193
Man hours (May 2018 – May 2025)
| Year | Work-Hrs | TRIR | LTIR | EMR |
|---|---|---|---|---|
| 2018 | 10,324.40 | 0.00 | 0.00 | 1.00 |
| 2019 | 63,324.43 | 0.00 | 0.00 | 1.00 |
| 2020 | 31,548.95 | 0.00 | 0.00 | 1.00 |
| 2021 | 17,744 | 0.00 | 0.00 | 0.88 |
| 2022 | 21,657 | 0.00 | 0.00 | 0.88 |
| 2023 | 42,818.00 | 0.00 | 0.00 | 0.88 |
Certifications
Code Stamps & Authorizations
National Board Certificate of Authorization — "R" Symbol
Metallic repairs and alterations at shop and field locations, per NBIC and NB-415.
National Board Certificate of Authorization to Register — "NB" Mark
Authorized to apply the "NB" mark and register boilers, pressure vessels or other pressure retaining items. ASME Designator: U.
Experience
Featured Projects
Coverage
Service & Coverage Area
IES executes projects in the states highlighted in the IES capability presentation.
Project inquiries
Need more information?
Contact IES to discuss service availability and project requirements.
Contact IES