GSA Federal Acquisition Service
For general questions, contact:
National Customer Service Center
Phone: 1-800-488-3111
00CORP The Professional Services Schedule (PSS) - The Professional Services Schedule (PSS) enables Federal agencies to procure a wide variety of professional services using a single Schedule contract.

00CORP Category list:

Download Contractors (Excel)
Mission Oriented Business Integrated Services
Category Description
874 4 Training Services: Instructor Led Training, Web Based Training and Education Courses, Course Development and Test Administration, Learning Management, Internships - Proposed courses shall be commercially-available off-the-shelf training and/or educational courses that are delivered via an Instructor-led (i.e. traditional classroom setting or conference/seminar) and/or web-based (i.e. Internet/Intranet, software packages and computer applications) system. Courses shall have a defined course title, length of time (i.e. hours, days, semesters, etc.), description of material to be taught (i.e. syllabi, table of contents, etc.), and whether materials are included in the price. (i.e. books, pamphlets, software, etc.).

Proposed professional services shall be in support of planning, creating, and/or executing testing and test administration, learning management, internship, or development of new courses or subject matter delivered via an instructor-led (i.e. traditional classroom setting or conference/seminar) and/or web-based (i.e. Internet/Intranet, software packages and computer applications) system. Proposed customization services are the result of planning, creating, and/or executing a proprietary format and may be priced as a flat rate or as Labor/hours using professional labor categories (i.e. Subject Matter Experts (SMEs), Program Managers, Project Managers, Research Assistant, Technical Specialist, etc.), subject matter(s), Systems requirements and methodology(ies) to be used should be stated. Acquisition training will be accomplished under SIN 874-8 Functional industry-specific training covered under other schedules will not be accomplished under this SIN.
874 8 Defense Acquisition Workforce Improvement Act (DAWIA) and Federal Acquisition Certification in Contracting (FAC-C) Training for Acquisition Workforce Personnel - In accordance with OMB Policy Letter 05-01, civilian agencies must follow the course equivalency determinations accepted by the Defense Acquisition University (DAU) to ensure that core training is comparable across the workforce and qualifies for certification. This SIN is intended to include only DAWIA and FAC-C courses that have been deemed DAU equivalent or approved by the Federal Acquisition Institute (FAI).

When procuring FAC-C and DAWIA training for the audience identified below, the task order level Contracting Officer shall confirm that the courses being acquired are listed on one of the following websites: or ((click on commercial vendors).

Training Audience Acquisition professionals interested in completing FAC-C or DAWIA training
874 9 Off-the-Shelf Training Devices and Training Materials: Print, Electronic, Audio-Visual, Multi-Media, and Simulation Training Devices - Off-the-Shelf Training Devices: Proposed training devices shall be commercially-available off-the-shelf training devices available as stand-alone or ancillary to other services being offered on this schedule. They can include software programs, teaching machines and devices, simulators such as driving simulators, flight simulators, etc., prepared printed instructional material, medical models and simulators, prepared audio and visual instruction material and multimedia program kits.
Customizable Training Devices: Proposed customized training devices and simulators shall be in addition to the or the result of planning, designing, and/or producing customized training products that include but are not limited to print, audio/visual, audio, digital formats and emerging technologies. Proposed training devices shall directly train students in a specific subject matter(s) or assist in the training of a specific subject matter(s).

Customizable Training Devices/Materials: Proposed off-the-shelf devices and simulators may be customized to customer specifications via a scope of work and priced on a firm fixed price or labor hour basis. All proposed print materials, audio-visual and multi-media formats, electronic media, etc., shall directly train students in a specific subject or assist in the training of specific subject matter.
Category Description
874 5 Ancillary Supplies and/or Services - Ancillary supplies and/or services are support supplies and/or services which are not within the scope of any other SIN on this schedule. These supplies and/or services are necessary to compliment a contractor's offerings to provide a solution to a customer requirement. This SIN may be used for orders and blanket purchase agreements that involve work or a project that is solely associated with the supplies and/or services purchased under this schedule. This SIN EXCLUDES purchases that are exclusively for supplies and/or services already available under another schedule. Special Instructions: The work performed under this SIN shall be associated with existing SIN(s) that are part of this schedule. Ancillary supplies and/or services shall not be the primary purpose of the work ordered, but be an integral part of the total solution offered. Ancillary supplies and/or services may only be ordered in conjunction with or in support of supplies or services purchased under another SIN(s) of the same schedule. Offerors may be required to provide additional information to support a determination that their proposed ancillary supplies and/or services are commercially offered in support of one or more SIN(s) under this schedule.