Partner Engineering and Science Inc. (Partner), an international engineering, environmental and energy consulting firm headquartered in Torrance, CA, has been featured on the 2023 Inc. Regionals: Pacific list of the fastest-growing private companies in America! This year, Partner was ranked #179 on the list. This follows Partner’s record 7th appearance on the INC 5000 on August 2022.
Founded in 2007, Partner’s first office was in Manhattan Beach and began with only 8 employees. In just 16 years, Partner expanded to 9 offices in the west coast, 40 in the US, and established an international presence in markets such as Europe, Canada, and Israel.
Monique Burrola, Partner’s Chief Operating Officer, and a founding member says “California was the right springboard to start our firm. There’s an incredibly talented pool of Commercial Real Estate professionals here and a booming real estate market with an abundance of properties and projects.”
Partner continues to invest in practices that are critical to CRE projects for the west coast such as seismic and energy efficiency projects. Partner also has new services for California multifamily owners to help them stay compliant with the upcoming balcony inspection deadlines.

July 02, 2026
Adrienne Perez, an Environmental Due Diligence Consultant, joins as Technical Director for Agency Services in Partner Engineering and Science's environmental service line.

June 23, 2026
For commercial real estate owners, developers, and investors, the program offers a more flexible and efficient path to address contamination, particularly at lower-priority sites enrolled in voluntary cleanup.

June 24, 2026
Amid evolving and often uncertain federal regulations, state environmental agencies have increasingly taken the lead in developing policies to address PFAS.




