| Niceville Nail Spa | Business | -- | 850-279-4551 |
| Niceville Planning | Agency | -- | -- |
| Niceville Planning Commission | Board | -- | -- |
| Niceville Police Department | Agency | -- | (850) 279-6436 x1232 |
| Niceville Public Works Department | Agency | -- | (850) 279-6436 x2004 |
| Niceville Recreation Department | Agency | -- | 850-279-6436 ext 3002 |
| Niceville Senior High School | School | 800 JOHN SIMS PKWY E, Niceville, 32578 | (850) 833-4114 |
| Niceville Track Club | Nonprofit | 14596 STATE HIGHWAY 20, Niceville, 32578 | -- |
| Niceville Utility Billing | Agency | -- | -- |
| Niceville Valparaiso Okaloosa County Regional Sewer Board Inc | Nonprofit | 507 HIGHWAY 85 N, Niceville, 32578 | -- |
| Niceville Water & Sewer Department | Agency | -- | (850) 279-6436 x2103 |
| Niceville-Valparaiso Chamber Of Commerce Inc | Chamber of Commerce | 1055 JOHN SIMS PKWY E, Niceville, 32578 | -- |
| No Reservations Needed, Llc | Business | 4507 Furling Ln STE 101, Destin, 32541 | (850) 842-2223 |
| Noahs Ark Of Destin Inc | Nonprofit | 250 INDIAN BAYOU TRL, Destin, 32541 | -- |
| Nonna's Ristorante | Business | -- | (850) 842-2604 |
| North Bay Fire District | District | -- | (850) 897-3689 |
| North Okaloosa Community Emergency Response Team Inc | Nonprofit | 321 W WOODRUFF AVE, Crestview, 32536 | -- |
| North Okaloosa County Fire District | District | -- | (850) 682-1808 |
| North Side Congregation Of Jehovah'S Witnesses, Fort Walton Beach | Church | 216 Jonquil Ave Nw, Fort Walton Beach, 32548 | -- |
| Northbay Baptist Church | Church | 4681 E HIGHWAY 20, Niceville, 32578 | -- |
| Northern Gulf Lacrosse Alliance Inc | Nonprofit | 1929 ROARING CREEK WAY, Niceville, 32578 | -- |
| Northwest Florida Ballet Academie | School | 310 PERRY AVE SE, Fort Walton Beach, 32548 | (850)664-7787 |
| Northwest Florida Ballet Inc | Nonprofit | 310 PERRY AVE SE, Fort Walton Beach, 32548 | -- |
| Northwest Florida Christian Education Association Inc Rocky Bayou School | Nonprofit | 2101 PARTIN DR N, Niceville, 32578 | -- |
| Northwest Florida Fair Association Inc | Nonprofit | 1319 LEWIS TURNER BLVD, Fort Walton Beach, 32547 | -- |
| Northwest Florida Regional Housing Authority | District | -- | (850) 263-4442 Ext. 303 |
| Northwest Florida State College | College | -- | -- |
| Northwest Florida State College Foundation Inc | Nonprofit | 100 COLLEGE BLVD E, Niceville, 32578 | -- |
| Northwest Florida Sympyhony Guild Inc | Nonprofit | 100 COLLEGE BLVD E, Niceville, 32578 | -- |
| Northwest Florida Water Management District | District | -- | (850) 539-5999 |
| Northwood Elementary School | School | 501 4TH AVE, Crestview, 32536 | (850) 689-7252 |
| Nothing Bundt Cakes | Business | -- | (850) 299-9472 |
| Oak Creek Shopping Center | Business | 1102 E Johns Sims Parkway area, 32578 | -- |
| Oak Ridge Assembly Of God | Church | 5297 SHOFFNER BLVD, Crestview, 32539 | -- |
| Oakland Baptist Church | Church | 118 WRIGHT PKWY NW, Fort Walton Beach, 32548 | -- |
| OCD Window Tinting and Wraps | Business | 1126 Hospital Rd, Fort Walton Beach, 32547 | (850) 374-3164 |
| Ocean City - Wright Fire Control District | District | -- | (850) 862-1185 |
| Ocean City Bingo | Business | 109 Racetrack Road, Fort Walton Beach, 32548 | 850-863-0553 |
| Ocean City Church Ministries | Church | 428 Racetrack Rd Ne, Fort Walton Beach, 32547 | -- |
| Ocso Sheriffs Star Charities Inc | Nonprofit | 50 2ND ST, Shalimar, 32579 | -- |
| OG Smoke Depot | Business | 767 N Ferdon Blvd, 32536 | (850) 331-3059 |
| Okaloosa Academy | School | 720 LOVEJOY ROAD NW, Fort Walton Beach, 32548 | (850)864-3133 |
| Okaloosa Baptist Association | Church | 2502 Mike Ward Ln, Baker, 32531 | -- |
| Okaloosa County | County | -- | -- |
| Okaloosa County Affordable Housing Advisory Committee | Board | -- | -- |
| Okaloosa County Airports | Agency | -- | 850-651-7160 |
| Okaloosa County Board of Adjustment | Board | -- | -- |
| Okaloosa County Board of County Commissioners | Board | -- | -- |