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InterWest was founded in 1992 as a result of the merger of three large successful insurance brokerage firms located in Northern California. Our aggressive entrepreneurial and acquisition efforts have extended our footprint into Central California and the San Francisco Bay Area. Our unyielding commitment to reinvesting in our staff, diversified products & services and innovative technology consistently places us among the top performing insurance and consulting brokerages in the country. We offer unparalleled expertise in all lines of property and casualty, workers compensation, employee benefits and personal insurance coverages, as well as a full range of surety products. Although we operate principally in California, we are licensed to write business in all 50 states and staffed to service clients with locations throughout the nation.
ChoiceOne Bank is a community bank holding company based in Michigan, with approximately $2.6 billion in assets. Founded in 1898 as Sparta State Bank, it has grown through strategic mergers and now operates 35 offices across multiple counties. The bank is headquartered in Sparta and has operations centers in Lapeer and Fenton, ensuring efficient service delivery. ChoiceOne offers a wide range of financial services, including digital banking solutions, consumer and commercial banking, agricultural lending, mortgage services, wealth management, payroll solutions, and treasury management. The bank is dedicated to serving a diverse customer base, including families, small businesses, farmers, and low-income individuals, particularly in rural communities. ChoiceOne is committed to being an integral part of Michigan communities, with a mission to provide superior service and quality advice. In 2025, the bank announced a merger with Fentura Financial Inc., enhancing its presence in the Detroit suburbs and expanding into the Flint and Saginaw markets.
PSC Group, founded in 1952 and based in Baton Rouge, Louisiana, is a prominent provider of embedded logistics and industrial services for critical infrastructure sectors across North America. The company, originally known as Petroleum Service Corporation, focuses on safety, efficiency, and sustainability in its operations. It is currently backed by Aurora Capital Partners and The Jordan Company. The company offers a wide range of specialized services, including logistics and product handling, industrial operations, sustainability solutions, and workforce solutions. Their logistics services encompass rail switching, truck and marine logistics, and dock operations. PSC Group also provides tankerman services, terminal operations, and industrial cleaning for hazardous environments. Additionally, they focus on waste management, recycling, and environmental compliance, along with skilled labor provisioning for various sectors. PSC Group serves major clients in petrochemical and refining, marine transportation, and sustainability-driven enterprises. The company is recognized for its strong safety record, extensive geographic reach, and commitment to employee welfare through competitive benefits and training programs.
Founded in 1982, ATKG specializes in tax, accounting, assurance and advisory services for a select client base of closely held businesses and large family groups. "ATKG" is the brand name under which ATKG LLP and ATKG Advisors LLC provide professional services. ATKG LLP and ATKG Advisors LLC practice as an alternative practice structure in accordance with the AICPA Code of Professional Conduct and applicable law, regulations, and professional standards. ATKG LLP is a licensed independent CPA firm that provides attest services to its clients, and ATKG Advisors LLC and its subsidiary entities provide tax and business consulting services to their clients. ATKG Advisors LLC and its subsidiary entities are not licensed CPA firms. The entities falling under the ATKG brand are independently owned and are not liable for the services provided by any other entity providing services under the ATKG brand. Our use of the terms "our firm" and "we" and "us" and terms of similar import, denote the alternative practice structure conducted by ATKG LLP and ATKG Advisors LLC.