Founded in 1982, the National Association of Professional Process Servers (NAPPS) is the nation's largest professional community for process servers, with members across all 50 states and internationally. As a non-profit organization, NAPPS is dedicated to maintaining the highest standards of professionalism in the industry — providing members with education, resources, and best practices guidance. Nationwide Investigations is proud to be a NAPPS member, reflecting our commitment to ethical, reliable, and accountable service for attorneys and legal professionals throughout Chicago and Cook County.

The Chicago Paralegal Association (CPA) is the leading professional association in Chicago dedicated to elevating the standards and ethics of Illinois paralegals. As a nonprofit organization, CPA is committed to enhancing the success of paralegals throughout the Chicago area, offering members networking events, education opportunities, and a community of legal professionals invested in each other's growth. Nationwide Investigations is proud to support and affiliate with the CPA, recognizing that strong partnerships with Chicago's paralegal community help us deliver faster, more reliable service to the law firms and attorneys we serve every day.

The Illinois Association of Professional Process Servers (ILAPPS) is the statewide professional organization representing licensed process servers and private detectives across Illinois. ILAPPS supports its members through legislative advocacy, industry resources, and a trusted directory of licensed professionals serving Chicago and communities throughout the state. Nationwide Investigations is proud to be a listed member of ILAPPS, further demonstrating our standing as a fully licensed and professionally recognized process serving firm in Chicago and Cook County.

Founded in 1987, the Wicker Park Bucktown Chamber of Commerce serves as a cornerstone of two of Chicago's most vibrant commercial districts, advancing the economic health of neighborhood businesses and encouraging profitable relationships within the community. The Chamber manages the WPB Special Service Area #33 and produces community staples like Wicker Park Fest and the Wicker Park Farmers Market. Nationwide Investigations is proud to be a member, reflecting our commitment to supporting local Chicago businesses and the neighborhoods we call home.