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L&S Engineering is a consulting firm specializing in Mechanical and Electrical engineering, primarily working in the commercial and institutional construction industry, as consultants to architects or building owners. We work for a variety of clients in the public and private sector on as many as two hundred projects a year. We provide expertise in code compliance, building commissioning, energy modeling, LEED certification submittal, construction administration and mechanical / electrical engineering. L&S Engineering has been providing high performance designs for commercial buildings in the Inland Northwest for over 65 years.

L&S Engineering Questions

The L&S Engineering annual revenue was $3 million in 2026.

6 people are employed at L&S Engineering.

L&S Engineering is based in Spokane, Washington.

The NAICS codes for L&S Engineering are [5413, 54, 54133, 541].

The SIC codes for L&S Engineering are [871, 87].

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