| Group | Region/Topic | Members | Comments |
| Colo Spgs Social 2 | Colorado Springs Area | 1,063 | 35,106 |
| South Denver Social | Denver Area | 836 | 15,425 |
| Mon Chalet Friends | Denver Area | 1,820 | 13,183 |
| fuck buddies | Denver Area | 3,176 | 7,892 |
| Orgy/ Gang Bang Group | Denver Area | 496 | 5,316 |
| Mtzone Bikers | Boulder County | 226 | 4,774 |
| Colorado friends 40's plus | Colorado | 0 | 4,555 |
| No. Colo. Wild Ones | Northeastern Colorado | 465 | 4,132 |
| My Corner Lifestylers - GJ, CO | Grand Junction & Vicinity | 0 | 3,793 |
| Denver BBW/BHM | Denver Area | 438 | 3,779 |
| CUM LOVERS INC. | Denver / Colorado Springs | 615 | 3,220 |
| Denver Happy Hours | Denver Area | 505 | 2,516 |
| Western Colorado Party Club | Grand Junction & Vicinity | 0 | 1,942 |
| AURORA SOCIAL GROUP | Denver Area | 365 | 1,850 |
| Bi-sexuals in S W Colorado | Southwestern Colorado | 103 | 1,082 |
| Married and discreet | Grand Junction & Vicinity | 120 | 965 |
| Nude Hot Springs group | Colorado Springs Area | 267 | 726 |
| Old Farts Gone Wild Western US | Colorado | 0 | 695 |
| Denver Metro Swing | Denver Area | 0 | 568 |
| Bareback Play | Denver Area | 391 | 558 |
| SW FUCK FIENDS | Southwestern Colorado | 0 | 548 |
| Co Springs Sac 'O Nuts Circus | Denver / Colorado Springs | 0 | 510 |
| DENVER BBW MEETINGINTERRACIAL | Denver Area | 121 | 492 |
| GJ SEXY GROUP | Grand Junction & Vicinity | 0 | 388 |
| Pike's Peak Bikers | Colorado Springs Area | 0 | 353 |
| Longmont Colorado | Boulder County | 0 | 347 |
| Active Bisexuals | Denver Area | 0 | 286 |
| 3 SUM | Northeastern Colorado | 0 | 266 |
| wet and slippery | Grand Junction & Vicinity | 0 | 232 |
| West Slope Couple Connections | Grand Junction & Vicinity | 0 | 205 |
| Colorado Springs Bi | Colorado Springs Area | 141 | 179 |
| Naked Lunch | Denver Area | 0 | 178 |
| Erotic friends | Northwestern Colorado | 0 | 172 |
| Erotic Photography | Boulder County | 0 | 153 |
| STRIP POKER! | Denver Area | 0 | 153 |
| Places in Denver to Meet. | Denver Area | 0 | 151 |
| Colorado ATV Riders Group | Western Colorado | 0 | 149 |
| White Women for Black Cock | Northeastern Colorado | 0 | 148 |
| Cross Dressing | Colorado Springs Area | 0 | 129 |
| Northern Colorado! | Northeastern Colorado | 0 | 126 |
| slim/petite women/thick cock | Denver / Colorado Springs | 0 | 124 |
| Littleton/Lakewood Daytime Sex | Colorado | 0 | 122 |
| Voyeurs and Exhibitionists | Denver / Colorado Springs | 0 | 103 |
| The CSA | Grand Junction & Vicinity | 0 | 102 |
| BBW's of the Western Slope | Grand Junction & Vicinity | 0 | 101 |
| bi in greeley wanna hook up? | Northeastern Colorado | 0 | 91 |
| Ladies Only Night Out | Colorado | 0 | 89 |
| Eagle and Summit County | Vail Valley | 0 | 88 |
| cum | Northeastern Colorado | 0 | 82 |
| Smooth Cock for Smooth Pussy | Denver Area | 0 | 79 |
| Denver Couples | Denver Area | 0 | 67 |
| Bi Males Discussion Group GJCO | Grand Junction & Vicinity | 0 | 65 |
| Bikers In The Denver Area | Denver Area | 0 | 61 |
| Denver Water Sports/ Fem Ejac | Denver Area | 0 | 60 |
| BDSM and so much more | Western Colorado | 0 | 54 |
| No. Co. MILFS | Northeastern Colorado | 0 | 52 |
| CHRISTI'S GANGBANG CLUB | Denver / Colorado Springs | 0 | 51 |
| Strip Game Night | Denver / Colorado Springs | 0 | 47 |
| Northern CO Motorcycle Group | Northeastern Colorado | 0 | 47 |
| No Co Trans | Northeastern Colorado | 0 | 45 |
| Springs Area CD/TV/TS Group | Colorado Springs Area | 0 | 44 |
| Daytime meetings local motels | Denver Area | 0 | 44 |
| cds,tvs,ts in colorado, | Grand Junction & Vicinity | 0 | 42 |
| No Co Group! | Northeastern Colorado | 0 | 37 |
| GJ area adult masterbation | Grand Junction & Vicinity | 0 | 36 |
| To pleasure an older woman | Boulder County | 0 | 35 |
| Denver-area Asian Encounters | Denver Area | 0 | 25 |
| Denver Interracial Fun | Denver Area | 0 | 24 |
| Couples looking for Females | Northeastern Colorado | 0 | 24 |
| Pikes Peak Bi | Colorado Springs Area | 0 | 23 |
| Western Slope Fuck Buddies | Western Colorado | 0 | 23 |
| Big cocks in Colorado | Colorado | 0 | 22 |
| Full Service Fuck Buddies | Colorado Springs Area | 0 | 22 |
| Gifted Swingers of Colorado | Colorado | 0 | 21 |
| Fun on the Run Meet n Greets | Colorado Springs Area | 0 | 21 |
| Couples Looking for Female | Denver Area | 0 | 21 |
| friends with benifits | Grand Junction & Vicinity | 0 | 21 |
| TS/TV | Boulder County | 0 | 19 |
| Canon City Area Group | Southwestern Colorado | 0 | 19 |
| The Scarlet Ranch | Denver Area | 0 | 17 |
| White Men & Black Women | Denver / Colorado Springs | 0 | 16 |
| pussy pump fetish club | Denver Area | 0 | 16 |
| EROTIX ELITE SWINGERS CLUB | Denver Area | 0 | 16 |
| Fremont County Play Mates | Southeastern Colorado | 0 | 16 |
| DOMINATRIX ORIENTED | Grand Junction & Vicinity | 0 | 16 |
| Just A Place To Relax | Grand Junction & Vicinity | 0 | 16 |
| Motor Sports in Colorado | Denver / Colorado Springs | 0 | 15 |
| New Swingers | Boulder County | 0 | 15 |
| Real experiences from Online ! | Colorado | 0 | 14 |
| women/cpls for bi men | Denver / Colorado Springs | 0 | 14 |
| Randall Flagg's Vegas in Denver | Denver Area | 0 | 11 |
| Denver FWB and FB | Denver Area | 0 | 11 |
| Bulls in Denver | Denver / Colorado Springs | 0 | 10 |
| FWBs in No Co | Northeastern Colorado | 0 | 10 |
| Bareback Creampies for Bi Cpls | Denver / Colorado Springs | 0 | 9 |
| Cycling and sex | Denver Area | 0 | 9 |
| Older men for younger women | Northeastern Colorado | 0 | 9 |
| 4 Corners Lifestyles | Southwestern Colorado | 0 | 9 |
| Bi-Men in Northeast Colorado | Denver Area | 0 | 8 |
| Denver Meets | Denver Area | 0 | 8 |
| Still Hot With Disabilties | Denver Area | 0 | 7 |
| Getting to Know You... | Southwestern Colorado | 0 | 7 |
| Gunnison fun | Vail Valley | 0 | 7 |
| CO. girls for moms | Denver / Colorado Springs | 0 | 6 |
| My Search For Something More | Northeastern Colorado | 0 | 6 |
| men for cpls/cpls for men | Western Colorado | 0 | 6 |
| lovehavinfun2 | Boulder County | 0 | 5 |
| Denver Days | Denver Area | 0 | 5 |
| Westminster Swingers | Denver Area | 0 | 5 |
| Pueblo area contacts | Southeastern Colorado | 0 | 5 |
| lookin 4 fun in glewood area | Northwestern Colorado | 0 | 5 |
| Colorado BBW/BHM | Denver / Colorado Springs | 0 | 4 |
| Cum Showers | Denver / Colorado Springs | 0 | 4 |
| young women/ couples meeting | Boulder County | 0 | 4 |
| Real People for Real Sex | Colorado Springs Area | 0 | 4 |
| Western Slope Singles Orgy | Grand Junction & Vicinity | 0 | 4 |
| Mtn Zone Friends & Fun | Colorado | 0 | 3 |
| N of Denver Burbs, Gay Bi Buds | Colorado | 0 | 3 |
| Colorado Porn Stars | Denver / Colorado Springs | 0 | 3 |
| Younger guys older women | Boulder County | 0 | 3 |
| Cunnilingus | Boulder County | 0 | 3 |
| Colorado Springs N Denver Bi's | Colorado Springs Area | 0 | 3 |
| WOMEN IN NEED OF GROUP LOVING! | Denver Area | 0 | 3 |
| Real People, Real Fun. | Denver Area | 0 | 3 |
| Age Gap Older Women Younger Men | Denver Area | 0 | 3 |
| Denver Swim Club/Midtowne Spa | Northeastern Colorado | 0 | 3 |
| Crossdressers Pueblo, CO area | Southeastern Colorado | 0 | 3 |
| STRAIGHT/ GUYS SUCKED BY GAYS | Southeastern Colorado | 0 | 3 |
| Age Differences, no big deal | Grand Junction & Vicinity | 0 | 3 |
| Toy's of JOY! | Grand Junction & Vicinity | 0 | 3 |
| Singles Only | Grand Junction & Vicinity | 0 | 3 |
| Durangos dirty deeds | Southwestern Colorado | 0 | 3 |
| A CD/TV/TG for STRAIGHT GUYS | Colorado | 0 | 2 |
| Scarlet Ranch Lifestyle Resort | Colorado | 0 | 2 |
| Often Sex Encounters | Denver / Colorado Springs | 0 | 2 |
| Denver/Colorado Springs 420 | Denver / Colorado Springs | 0 | 2 |
| Colorado Bikers | Denver / Colorado Springs | 0 | 2 |
| MARRIED LOOKING FOR MORE SEX | Colorado Springs Area | 0 | 2 |
| Taboo Role Play Club [TRPC] | Colorado Springs Area | 0 | 2 |
| Ink and Metal | Colorado Springs Area | 0 | 2 |
| General Discussion | Colorado Springs Area | 0 | 2 |
| Colorado Creamin' | Denver Area | 0 | 2 |
| Discreet Meetings | Denver Area | 0 | 2 |
| Denver BBW Social Club | Denver Area | 0 | 2 |
| CO. MILFS ~ BOY TOYS NEEDED ! | Northeastern Colorado | 0 | 2 |
| Northeastern Colo Socialites | Northeastern Colorado | 0 | 2 |
| gunnison | Western Colorado | 0 | 2 |
| hello | Grand Junction & Vicinity | 0 | 2 |
| sexy fun people in gj | Grand Junction & Vicinity | 0 | 2 |
| Bi-fem connections | Colorado | 0 | 1 |
| Colorado Cuddle Humpers | Colorado | 0 | 1 |