1 Chandler Hall - Library and Documentation; Riceworld; Visitors and Information Services; Printing; Marketing and Fulfillment Unit
2 Harrar Hall - Food and Housing Services; Matron's Office; Riceland Cuisine; Mailroom; Radioroom; Central files (Archives); Marsman Travel and Tours; Visitors and Information Services; BPI ATM station
3 Harrar Hall Conference Room
4 FF Hill Building - Offices of Administration and Finance, DG, DDGs and Directors offices; Cashier's window; Human Resources Development; Materials Management; Program Planning and Coordination Office
5 Swaminathan Hall - Office; Training Center
6 Khush Hall - CIAT; CIMMYT; ICLARM; ILRI; ISAAA; INIBAP; IRRI Club
7-8 Information Center - Communications and Publications Services; Information Technology Services
9 Phytotron
9A Phytotron Annex - Plant Physiology
10 Ladies' Dormitory
11 International School Los Baņos; Scientific Supplies Store
12 Bradfield Hall - Clinic; Grounds Office
13-14 IRRI Employees' Canteen; ECDC
15 Service Building - Agricultural Engineering Unit; Physical Plant; Receiving/Shipping; Safety Office
16 Transport Office; Motor Vehicle Repair Shop
17 Security Office
18 Fire Brigade Office
19 Experiment Station
20 Umali Laboratory - Entomology and Plant Pathology Division; Agronomy; Plant Physiology and Agroecology Division; GIS Laboratory; IPMO; CREMNET
21-22 N.C. Brady Laboratory - Social Sciences Division; Plant Breeding, Genetics and Biochemistry Division; Genetic Resources Center
23 Kenzo Hemmi Laboratory - Soil and Water Sciences