Piping Support & Mechanical Services

Field installation support for prefabricated pipe spools, mechanical equipment, controlled bolting, hydrostatic testing, shutdowns, and brownfield projects across oil and gas and industrial facilities.

Fix Ancillary Systems — Piping Support and Mechanical Services

About Us

Fix Ancillary Systems LLC provides practical field support for piping and mechanical work in oil and gas, petrochemical, refinery, pipeline, terminal, and industrial facilities. With more than 15 years of hands-on experience in piping and pipeline construction, installation, testing, and commissioning, we understand the demands of construction, shutdown, brownfield, pre-commissioning, and operational-readiness projects. We combine disciplined field execution with integrated HSE and quality controls to help clients complete critical work safely and reliably.

  • Pipe-Spool Installation

    Modular and prefabricated spool installation, fit-up, alignment, tie-ins, and completion support.

  • Bolting & Pressure Testing

    Controlled torquing, flange management, hydrostatic testing, reinstatement, and authorized hot-bolting support.

  • Equipment Installation

    Installation support for valves, pumps, compressors, static equipment, and associated mechanical systems.

Our Services

Our Services

Focused piping and mechanical field support for construction, maintenance, shutdown, and commissioning projects.

Prefabricated Pipe-Spool Installation

Verification, rigging, positioning, fit-up, alignment, installation, tie-ins, and punch-list completion.

Piping Installation & Tie-ins

Field installation, routing, connection, modification, sectional replacement, and brownfield tie-in support.

Flange Management & Torquing

Flange preparation, gasket and bolting verification, controlled torquing, tagging, tracking, and joint-integrity checks.

Hydrostatic Testing

Test-boundary preparation, filling, venting, pressurization, monitoring, depressurization, draining, and reinstatement support.

Mechanical Equipment Installation

Installation support for valves, actuators, pumps, compressors, vessels, exchangers, and associated equipment.

Shutdowns & Brownfield Support

Piping modifications, valve replacement, mechanical punch-list closure, reinstatement, and startup-readiness support.

Authorized Hot-Bolting Support

Engineered hot-bolting support performed under approved client procedures, permits, risk controls, and engineering authorization.

Integrated HSE & Quality Support

Pre-task planning, job hazard analysis, installation inspections, permit coordination, and turnover documentation.

Plan Your Next Piping or Mechanical Project

Tell us about your installation, shutdown, testing, or mechanical support requirements.

Schedule a Consultation
Frequently Asked Questions

Frequently Asked Questions

Find answers to common questions about our services, safety standards, and how we keep your operations running smoothly.

What services do you offer?

We provide prefabricated pipe-spool installation, piping tie-ins, flange management, controlled torquing, hydrostatic testing, authorized hot-bolting support, and mechanical equipment installation.

What type of equipment(s) do you service?

We support piping systems, valves, actuators, pumps, compressors, vessels, exchangers, and related mechanical equipment.

Can you support shutdowns and brownfield projects?

Yes. Support is scheduled according to project scope, site requirements, workforce availability, and the approved execution plan.

How do I request a service?

Contact us by phone, email, or the online request form. Include the work scope, location, schedule, and applicable project requirements.

What is your service area?

We primarily serve Houston, Texas, but we are available for nationwide and international projects as needed.

Do you offer customized service plans?

Yes! We tailor service plans to fit the specific needs of your facility, ensuring maximum efficiency, safety, and reliability.

What safety standards do you follow?

Work is planned and performed in accordance with applicable client procedures, project specifications, OSHA requirements, and recognized industry practices.