I'm a S corp and it is a nursing corp. I've copied and pasted below the business to business exemptions if you want to check them out.
A business to business contracting relationship, is exempt from the “ABC” test if the contracting business demonstrates that all of the following criteria are satisfied:
The business service provider is free from the control and direction of the contracting business entity, both under the contract for the performance of the work and in fact;
The business service provider is providing services directly to the contracting business rather than to customers of the contracting business;
That might be hard to get around.
The business service contract is in writing;
If the work is performed in a jurisdiction that requires the business service provider to have a business license or business tax registration, the business service provider has the required business license or business tax registration;
The business service provider maintains a business location that is separate from the business or work location of the contracting business;
The business service provider is customarily engaged in an independently established business of the same nature as that involved in the work performed;
The business service provider actually contracts with other businesses to provide the same or similar services and maintains a clientele without restrictions from the hiring entity;
The business service provider advertises and holds itself out to the public as available to provide the same or similar services;
The business service provider provides its own tools, vehicles, and equipment;
The business service provider negotiates its own rates;
The business service provider sets its own hours and location of work; and
The business service provider is not performing the type of work for which a license from the Contractor’s State License Board is required.
Note: This subdivision does not apply to an individual worker, as opposed to a business entity.
Additionally, all of the below factors must be met for the exemption to apply to the above listed “professional services”:
The individual maintains a business location (may be residence) that is separate from hiring entity. The individual may choose to perform services at the hiring entity’s location;
If work is performed more than six months after January 1, 2020, the individual has a business license, in addition to any required professional licenses or permits for the individual to practice in his or her profession;
The individual has the ability to set or negotiate his or her own rates for the services performed;
Outside of project completion dates and reasonable business hours, the individual may set the individual’s own hours;
The individual is customarily engaged in the same type of work performed under contract with another hiring entity or holds themselves out to other customers as available to perform the same type of work; and
The individual customarily and regularly exercises discretion and independent judgment in the performance of the services.