top of page

GSA Professional Services Schedule (PSS)


Contract Number: GS-10F-0117S

PSI offers the following Special Item Numbers (SINs):

SIN 874-1

GSA Schedule 874 - PSS

Services required under this SIN will provide expert advice, assistance, guidance or counseling in support of agencies' management, organizational and business improvement efforts. This may also include studies, analyses and reports documenting any proposed developmental, consultative or implementation efforts. Services covered by this SIN are:

  • Strategic, business and action planning

  • Systems alignment

  • Cycle time

  • Performance measures and indicators

  • Leadership systems

  • High performance work

  • Process and productivity improvement

  • Organizational assessments

  • Program audits, and evaluations

SIN 874-2/2RC

PSS Facilitation Services

Description: Includes facilitation and related decision support services for agencies engaged in collaborative efforts, working groups or integrated product, process or self-directed teams and expert services in support of formal and informal Alternative Dispute Resolution (ADR) programs. ADR in support of Equal Employment Opportunity (EEO) disputes is specifically excluded as it is covered under the Human Resources and Equal Employment Opportunity Services Schedule. Services covered by this SIN are:

  • Defining, refining, and resolving disputes, disagreements, and divergent views (excluding EEO disputed)

  • The use of problem solving techniques

  • Resolving disputes, disagreements and divergent views

  • Defining and refining the agenda

  • Convening and leading large and small group briefings and discussions

  • Providing a draft for the permanent record

  • Recording discussion content and focusing on decision-making

  • Debriefing and overall meeting planning

  • Logistical meetings/conference support when per forming technical facilitation

  • Preparing draft and final reports for dissemination

SIN 874-4/4RC

PSS Training Services

Description: Includes off-the-shelf, or customized off-the-shelf training packages related to specific business services. Services covered by this SIN are:

  • Customer service; team building

  • Performance measurement

  • Performance problem solving

  • Business process reengineering

  • Strategic planning

  • Process improvement

  • Performance problem-solving

  • ISO 9000

  • Statistical process control

SIN 874-6/6RC

Acquisition Management Support

Description: Contractors provide expert advice, consultation and assistance to federal organizations tasked with conducting OMB Circular A-76 Commercial Activities studies, strategic sourcing studies, privatization studies, public-private partnerships and other competitive sourcing projects or efforts including activities related to the Federal Activities Inventory Reform Act. Services covered by this SIN are:

  • Strategic, tactical and operational level planning support

  • Initial study planning

  • Development of Performance Work Statements (PWS)

  • Development of in-house government cost estimates

  • Development of Quality Assurance Plans (QASP)

  • Administrative appeal process support

  • Comparison of in-house bids to proposed Inter-Service Support Agreement (ISSA) prices

  • Performance of management studies to determine the government's Most Efficient Organization (MEO)

  • MEO or contract implementation support

  • MEO performance reviews

  • Assessments and/or studies of potential privatization initiatives

  • Privatization

  • Strategic sourcing

SIN 874-7/7RC

Program Integration and Project Management Services

Description: Contractors provide services related to initiating, planning, controlling, executing and closing out projects & programs. Services covered by this SIN are:

  • Project leadership and communications

  • Scheduling and cost control

  • Risk management

  • Management of project quality

  • Project scope management

  • Program/project performance measurement

  • Program integration

  • Program/project documentation


Contact:  Carrie Donat

Phone: (703) 575-7502



PSI's state-of-the-art Innovation Facility is now open in Valparaiso, FL. It is designed to provide a cyber secure ecosystem for development of new technologies and approaches, illustrating the company’s commitment to deliver excellence to its customers. Watch a video about the Innovation Facility.

bottom of page