Each firm or person desiring to engage in or to continue to engage in business of installing, inspecting, or servicing portable fire extinguishers, selling, inspecting, installing, or servicing fixed fire protection systems, performing hydrostatic testing of fire extinguishers or fire extinguisher cylinders, in the State of Arkansas as a condition of engaging or continuing to engage in such a business shall obtain from the board a certificate of registration and appropriate individual licenses. Portable Firm Fees: Portable: $300.00, Fixed Systems: $300.00, Class "A": $100.00, Class "B": $50.00, Branch Office: $25.00 Portable Renewal: $300.00, Fixed Renewal: $300.00, Class A Renewal: $100.00, Class B Renewal $50.00, Branch Office Renewal: $25.00.