| Business | Phone |
| All Faith United Mission 18775 N Frederick Ave, Gaithersburg 20879 | (301) 527-0725 |
| Victory Christian Church 77 Metropolitan Ct, Gaithersburg 20878 | (301) 670-1600 |
| Wesley Grove United Methodist 23640 Woodfield Rd, Gaithersburg 20882 | (301) 253-2894 |
| Unity Christ Church 111 Central Ave, Gaithersburg 20877 | (301) 840-0207 |
| Upc District Board 11800 Darnestown Rd, Gaithersburg 20878 | (301) 926-8008 |
| There's Hope Christian Church 23 W Diamond Ave, Gaithersburg 20877 | (240) 403-3281 |
| Bethany Church 1201 Quince Orchard Blvd, Gaithersburg 20878 | (301) 670-1200 |
| Bethel Native Corp 8041 Queenair Dr, Gaithersburg 20879 | (410) 876-6673 |
| St John Neumann Catholic 9000 Warfield Rd, Gaithersburg 20882 | (301) 977-5492 |
| St John Neumann Catholic Chr 8900 Lochaven Dr, Gaithersburg 20882 | (301) 977-5451 |
| St Martin's Catholic Community 201 S Frederick Ave, Gaithersburg 20877 | (301) 840-1830 |
| St Martins Catholic Community 115 S Frederick Ave, Gaithersburg 20877 | (301) 840-1830 |
| St Rose Of Lima Rectory 11701 Clopper Rd, Gaithersburg 20878 | (301) 948-7545 |
| Stewartown United Methodist Ch 19615 Goshen Rd, Gaithersburg 20879 | (301) 963-9492 |
| Calvary Community Church 8641 Ziggy Ln, Gaithersburg 20877 | (301) 990-1241 |
| Chinese Alliance Church 13101 Darnestown Rd, Gaithersburg 20878 | (301) 869-8343 |
| Christ The Servant Lutheran 9801 Centerway Rd, Gaithersburg 20879 | (301) 977-0285 |
| Christian Life Ctr 11800 Darnestown Rd, Gaithersburg 20878 | (301) 926-3761 |
| Church Of Jesus Christ Of Lds 16 Kent Gardens Cir, Gaithersburg 20878 | (301) 972-4638 |
| Church Of Jesus Christ Of Lds 904 Wind River Ln # 103, Gaithersburg 20878 | (301) 926-7977 |
| Church Of The Ascension 205 S Summit Ave, Gaithersburg 20877 | (301) 948-0122 |
| Church Of The Redeemer 19425 Woodfield Rd, Gaithersburg 20879 | (301) 926-0967 |
| Covenant Life Church 7501 Muncaster Mill Rd, Gaithersburg 20877 | (301) 869-2800 |
| Covenant United Methodist Chr 20301 Pleasant Ridge Dr, Gaithersburg 20886 | (301) 926-8920 |
| Rainbow Minstries 15940 Shady Grove Rd, Gaithersburg 20877 | (301) 258-1003 |
| Darnestown Presbyterian Church 15120 Turkey Foot Rd, Gaithersburg 20878 | (301) 948-9127 |
| Poplar Grove Baptist Church 14625 Jones Ln, Gaithersburg 20878 | (301) 330-5054 |
| Prince Of Peace Lutheran Chr 11900 Darnestown Rd, Gaithersburg 20878 | (301) 869-3666 |
| Emory Grove United Methodist 8200 Emory Grove Rd, Gaithersburg 20877 | (301) 963-3434 |
| Epworth Methodist Church 9008 Rosemont Dr, Gaithersburg 20877 | (301) 926-0424 |
| Evangelical Formosan Church 16010 Riffle Ford Rd, Gaithersburg 20878 | (301) 921-8844 |
| Fairhaven United Methodist Chr 12801 Darnestown Rd, Gaithersburg 20878 | (301) 330-5433 |
| New Creation Miracle Church 4 Marquis Dr, Gaithersburg 20878 | (301) 972-0514 |
| New Life Baptist Church 8051 Cessna Ave, Gaithersburg 20879 | (301) 926-9564 |
| New Life Seventh Day Adventist 7401 Muncaster Mill Rd, Gaithersburg 20877 | (240) 632-2002 |
| Northgate Community Church 20300 Pleasant Ridge Dr, Gaithersburg 20886 | (301) 840-9830 |
| Oak Grove Ame Zion Church 20400 Zion Rd, Gaithersburg 20882 | (301) 975-9446 |
| Faith Building Ministries Inc 5317 Brookeville Rd, Gaithersburg 20882 | (301) 519-2222 |
| First Ame Of Gaithersburg 17620 Washington Grove Ln, Gaithersburg 20877 | (301) 590-9760 |
| First Assembly Of God 313 Cedar Ave, Gaithersburg 20877 | (301) 948-5275 |
| First Baptist Church 200 W Diamond Ave, Gaithersburg 20877 | (301) 977-9007 |
| First Church-Christ Scientists 300 E Diamond Ave, Gaithersburg 20877 | (301) 977-6544 |
| Flower Hill Church Of Brethren 7412 Muncaster Mill Rd, Gaithersburg 20877 | (301) 977-8707 |
| Mt Of Olives Church 11810 Darnestown Rd, Gaithersburg 20878 | (301) 977-6701 |
| Mt Tabor United Methodist Chr 24115 Laytonsville Rd, Gaithersburg 20882 | (301) 253-3871 |
| Gaithersburg Church-Nazarene 8921 Warfield Rd, Gaithersburg 20882 | (301) 330-0366 |
| Gaithersburg Community Church 12 Goodport Ln, Gaithersburg 20878 | (301) 829-7610 |
| Gaithersburg Presbyterian Chr 610 S Frederick Ave, Gaithersburg 20877 | (301) 948-9418 |
| Mision Cristiana Elim 1326 Travis View Ct, Gaithersburg 20879 | (301) 590-2877 |
| Montgomery Faith Fellowship 356 Christopher Ave, Gaithersburg 20879 | (301) 330-8521 |
| Good Shepherd Lutheran Church 16420 S Westland Dr, Gaithersburg 20877 | (301) 869-1780 |
| Goshen United Methodist Church 19615 Goshen Rd, Gaithersburg 20879 | (240) 683-5530 |
| Grace United Methodist Church 119 N Frederick Ave, Gaithersburg 20877 | (301) 926-8688 |
| Maryland Central Seventh Day 20101 Woodfield Rd, Gaithersburg 20882 | (301) 987-0366 |
| Medhane Alem Ethiopian Gaithersburg 20879 | (301) 921-6177 |
| Hosanna Methodist Church 14 Brookes Ave, Gaithersburg 20877 | (301) 216-0721 |
| House Of Prayer Church 7902 Coriander Dr # 101, Gaithersburg 20879 | (301) 977-1739 |
| Iglesia Bautista Hispana 1004 Quince Orchard Rd, Gaithersburg 20878 | (301) 216-1453 |
| Iglesia De Cristo Mahanaim 18909 Earhart Ct, Gaithersburg 20879 | (301) 963-1282 |
| Inter-Denominational Church 19201 Woodfield Rd, Gaithersburg 20879 | (301) 963-3012 |
| Jehovah's Witness Germantown 16728 Longdraft Rd, Gaithersburg 20878 | (301) 947-4330 |