Quality registrars and registration services certify that a company’s quality management system meets specific industrial standards. Management system registrars perform pre-assessments and gap assessments, define corrective action plans, and perform final assessments and registration

Inspection services examine products, parts, equipment, repairs, services, installations, and facilities to ensure quality, consistency, and condition, as well as conformance to required standards and/or procedures

Regulatory and safety communications services firms aid companies in authoring, writing and editing environmental, health and safety (EH&S), good pharmaceutical proactive (GxP) documents, signs and labeling required by federal, state or local regulations

Quality assurance and compliance software is used to test and inspect products and processes. These software packages are designed for activities such as compliance monitoring, project management, and product or system certification

Water quality testing instruments are used to test water for chemical and biological agents, and to measure variables such as clarity and rate of movement

Material testing services test, analyze, and certify a wide range of materials for purity, chemical compatibility, and environmental impact

Hydraulic repair services rebuild, repair and calibrate used hydraulic components and equipment such as hydraulic pumps, valves and servo valves, cylinders, motors, jacks, rams, actuators, hydraulic power units (HPUs) and hydraulic machines or systems

Valve repair services repair and rebuild used valves

Environmental testing and analytical services provide testing of environmental samples such as soil, water, air, and industrial wastes or byproducts

Engineering consulting firms provide engineering services and expertise to companies in need of a specialized skill-set.  Professionals in this category work with clients to define solutions to problems or to help determine and recommend the best course of action for a given initiative

Product and component testing services is the evaluation of a finished product or component through performance in electrical, life, environmental exposure, dynamic, ergonomic or other specialized tests.  Also testing to standards such as UL 489, CE or MIL-STD 810.

Pump repair services repair and rebuild used pumps

Calibration and repair services for vibration, acoustic, electrical / electronic test, environmental, dimensional, NDT, analytical, process and other specialty instruments, sensors and related equipment

Call center service providers operate customer service call centers for small companies

Instrument calibration services test equipment and calibrate them to various standards.