Diane Christensen

RPS Mountainheath Ltd. provides laboratory analysis services. The company is headquartered in Abingdon, the United Kingdom.

Nautilus Ltd. provides classroom and field based geoscience and engineering training to the oil and gas industry. Its subject areas include geophysics, seismic interpretation, structure and tectonics, basin analysis, and reservoir development. The company was founded in 1999 and is headquartered in Hermitage, the United Kingdom.

The Boots Co. Plc owns and operates a chain of pharmaceutical and personal care retail stores. The firm’s stores are consists of local pharmacies, a healthcare-focused community stores; convenience and high-street stores offering pharmacy-led care. The company is headquartered in Nottingham, the United Kingdom.

Herts for Learning Ltd. provides accounting and financial management services to schools and academies. The private company is based in Stevenage, UK, and has subsidiaries in the United Kingdom. The British company offers support and guidance from expert advisers to improve early achievement in education. The company operates with a not-for-profit ethos and is committed to providing innovative and evolving services, resources, and products to help deliver a great education. The company aims to maximize wellbeing to improve the lives, learning, and futures of pupils. The CEO of the company is Andrew de Csilléry.

Milk Pension Fund Trustees Ltd. provides pension funding services.

East of England Ambulance Service NHS Trust provides ambulance services and is ultimately controlled by the Government of United Kingdom.

The Works Stores Ltd. operates as a online discounted retail store. It offers books, toys, gifts, arts and craft. The firm sells different products every year and they appeal to anyone looking for wide variety at great value prices. The Works Stores was founded in 1981 and is headquartered Sutton Coldfield, the United Kingdom.

CH2M HILL Cos. Ltd. provides consulting, design, design-build, operations and program management services. The company offers its services to the government, civil, industrial and energy clients. Its work is concentrated in the areas of water, transportation, environmental, energy, facilities and resources. The company was founded by Holly A. Cornell, James Howland, Burke Hayes and Fred Merryfield in 1946 and is headquartered in Englewood, CO.

Paras Ltd. provides information management and strategy consultancy services to the energy sector. The company was founded by Hamish Angus Munro Wilson in 1993 and is headquartered in Abingdon, the United Kingdom.

Part of Tetra Tech, Inc., RPS US Holdings Ltd. functions as an investment holding British company. The company is based in Abingdon, UK and was founded in 1990.

Part of Tetra Tech, Inc., RPS Consulting Services Ltd. is a leading professional services firm that defines, designs, and manages projects across 6 sectors. The company is based in Abingdon, UK. RPS provides GIS and spatial intelligence capabilities and geomatics expertise in planning, risk mapping, natural resource management, and 3D visualization. Founded in 1979, the British company specializes in light rail, rapid transit, and freight rail initiatives.

Part of Tetra Tech, Inc., RPS Occupational Health Ltd. is a British company that provides occupational health services. The company is based in Abingdon, UK. Founded in 1999.

WTW & Associates Ltd. provides technical services in oil and gas exploration projects. The company was founded on January 9, 2002 and is headquartered in Abingdon, the United Kingdom.

Capita Corp. provides financial services. It offers investment management and advisory services. The company is headquartered in Livingston, NJ.

Part of Tetra Tech, Inc., RPS Group US Holdings Ltd. is a British company that provides survey operations and consultancy services to the water industry. The company is based in Abingdon, UK. The company was founded in 1995. RPS Group US Holdings was acquired by RPS Group Ltd., part of Tetra Tech, Inc. from January 23, 2023 on April 17, 2002 for $4.29 million.

Part of Tetra Tech, Inc., RPS Environmental Management Ltd. is a leading professional services firm that defines, designs, and manages projects across 6 sectors: property, energy, water, transport, resources, and government. The company is based in Abingdon, UK. RPS supports efficient, safe, and environmentally responsible energy exploration and development, leading operations, processes, and technology for over 30 years. The British company, founded in 1983, prepares and delivers independent competent person's reports (CPRs) for transactions, annual reserves reporting, and valuation reports for financing.

Part of Tetra Tech, Inc., RPS Energy Consultants Ltd. is a British company that completes environmental impact assessments and facilitates environmental approvals by identifying, managing, and offsetting negative impacts. The company is based in Abingdon, UK and was founded in 1996. The company also provides planning, design, and project management services for new build data center construction projects and the upgrade or expansion of existing data infrastructure.

Part of Tetra Tech, Inc., RPS Ireland Ltd. is a British company that provides engineering services. The company is based in Belfast, UK. RPS Ireland was founded in 1987.

Part of Tetra Tech, Inc., RPS Energy Ltd. is a British company that engages in the extraction of petroleum and natural gas. The company is based in Abingdon, UK. RPS Energy was founded in 1979.

Applied Science Associates, Inc. provides science and technology solutions. It offers consulting, environmental modeling, and application development to clients. The company was founded in 1979 and it is headquartered in South Kingstown, RI

Gilbane, Inc. provides real estate development and construction services. The firm?s services include preconstruction, building information modeling, construction, transition planning and management, multi-site project delivery systems, energy services, virtual design and construction and disaster recovery and reconstruction. The company was founded by William H. Gilbane and Thomas F. Gilbane in 1873 and is headquartered in Providence, RI.

Test & Measurement Hire Ltd. provides test, measurement, and calibration equipment rental services. Its products are categorized under power analysis, electrical test, cable testing, test and calibration, temperature test, environmental monitoring, pressure test, and flow measurement. The company was founded in 2000 and is headquartered in Knowsley, the United Kingdom.

Kelda Group Ltd. provides water and sewerage services. It manages and offers its non-regulated water and waste water contract operations for the Ministry of Defense, Northern Ireland water, and Scottish water and customer support solutions that include billing, debt recovery, and incident management services. The company was founded in 1989 and is headquartered in Bradford, the United Kingdom.

Yorkshire Water Services Ltd. provides water and waste water services. It offers developers services, drinking water standards, water hardness, water resources, waste water services, water meters services and emergency services. The company was founded on April 1, 1973 and is headquartered in Bradford, the United Kingdom.

Meeting Street provides therapeutic and educational services to children. The firm focuses on infants, preschoolers and children of all ages that they receive individualized attention from trained, educators, therapists, and staff who work as a team, sharing strategies and identifying solutions to bring out the best in each and every child. The company was founded in 1946 and is headquartered in Providence, RI.

Gilbane Building Co. provides construction management services. It specializes in building site selection, programming and construction through transition, planning and management. The company was founded in 1873 and is headquartered in Providence, RI.