The study investigated the significant difference between various interpersonal relationship needs of the employees of service and manufacturing organizations; 437 employees were selected from 56 service and manufacturing organizations in and around Kolkata. Fundamental Interpersonal Relationship Orientation - Behavior (FIRO-B) scale developed by William Schutz in 1958, was administered to collect the data from the sample. For analysis of the data, descriptive statistics and one-way ANOVA and Brown Forsythe test were used. The findings revealed that significant differences existed between the employees of service organizations and the employees of manufacturing organizations with regards to Expressed Inclusion, Expressed Control, Total Expressed, Total Inclusion and Total Control. © 2019 SCMS Group of Educational Institutions. All rights reserved.