Halff Associates, Inc. Halff Associates, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Public Utilities & Environment >> Engineering Services - Electrical, Civil, Environmental, Mechanical Halff Associates, Inc. 1465 East Joyce Blvd., Ste 200Fayetteville, AR 72703 | map | directions (479) 485-5100 Visit Site New Member Connect With Us If your business isn't here, contact us today to get listed!