Company Lookup .user-profile-button .btn { transition: transform 0.2s; } .user-profile-button .btn:hover { transform: scale(1.1); } .rounded-circle { box-shadow: 0 2px 4px rgba(0,0,0,0.1); } Sign In Company Lookup Sign In Home California Tehachapi Operational Studies Group Active Updated 7/27/2025 11:50:48 AM Is this your business? Edit or add info Operational Studies Group, a General Corporation, is a business entity located in Tehachapi, CA. Officially filed on January 29, 1986, this corporation is recognized under the document number 1363865. Governed by the California Secretary of State, the corporation maintains an active filing status. The principal and mailing address of the corporation is situated at 30041 Garces Court, Techachapi, CA 93561, serving as the central hub for its business operations and correspondence. The corporation is led by a team of key individuals: Karen K Lewis from Tehachapi CA, holding the position of Secretary; Mark V Lonsdale from Tehachapi CA, serving as the Chief Executive Officer; Mark V Lonsdale from Tehachapi CA, serving as the Chief Financial Officer; Mark V Lonsdale from Tehachapi CA, serving as the Director. Ensuring the legal and official compliance of the corporation, Mark V Lonsdale acts as the registered agent. He operates from 30041 Garces Court, Tehachapi, CA 93561.