Для меня: gs, nano

<?
require($_SERVER["DOCUMENT_ROOT"] . "/bitrix/modules/main/include/prolog_before.php");
CModule::IncludeModule("nikaverro.gservice");
$gs = GameService::getInstance();

$lastId = 0;
$arResult =  $gs->QueryFetch("select * from geocode where id>21044 LIMIT 1000;");
global $DB;

foreach ($arResult as $arFields) {
    $lastId = $arFields['id'];
    $arInsert = $DB->PrepareInsert("n_geocode", $arFields);    
    $strSql = "INSERT INTO n_geocode (".$arInsert[0].") VALUES (".$arInsert[1].")";
    //echo $strSql;
    

    $DB->Query($strSql, false, $err_mess.__LINE__);
    if (strlen($strError)<=0){
       $DB->Commit(); //сохранить последние изменения в базе и закрыть транзакцию
    }
    else{
       echo $strError;
       $DB->Rollback(); //откатить изменения  и закрыть транзакцию
    }         
}
echo $lastId;?>

CModule::IncludeModule("crm");
CModule::IncludeModule("nikaverro.gservice");
$gs = GameService::getInstance();
$lastId= 1140109;
$arResult =  $gs->QueryFetch("select id,ls,fio,tel,org from clients where id<".$lastId." order by id desc limit 300;");
$arLs = [];
foreach ($arResult as $key => $arItem) {
    $arLs[] = $arItem["ls"];
}
echo "<pre>";

if(!empty($arLs)){
    $arFilter = array(
       "UF_CID"=>$arLs, //выбираем определенную компанию по ls
       "CHECK_PERMISSIONS"=>"N" //не проверять права доступа текущего пользователя
    );            
    $arSelect = array(
       "ID",
       "UF_CID"
    );            
    $res = CCrmCompany::GetList(Array(), $arFilter, $arSelect);
    $arComps = [];
    while($row = $res->Fetch()){      
       $arComps[$row["UF_CID"]] = $row["ID"];
    }   
    
    $options = array('CURRENT_USER'=>1); //из под админа
    $company = new  \CCrmCompany( false );
    $fieldMulti = new CCrmFieldMulti();
    
    foreach ($arResult as $key => $arItem) {
        $lastId = $arItem["id"];
        if(isset($arComps[$arItem["ls"]])){
             echo "найден"; 
             print_r($arItem);
             
             //break;
        }
        else{            
            //print_r($arItem);
            $name = $arItem["ls"];
            if(!empty($arItem["fio"])){
                if(!empty($arItem["org"]) && ($arItem["fio"] != $arItem["org"])){//организация
                    $name .= " ".$arItem["org"];
                }
                else{ //частник
                    $name .= " ".$arItem["fio"];
                }
            }
            //вар1
            $arFields = [
                "TITLE"=>$name,
                "UF_CID" =>$arItem["ls"]
            ];
            $companyId = $company->Add($arFields);
            if(($companyId>0) && !empty($arItem["tel"])){                
                $arTels = explode(" ", $arItem["tel"]);
                foreach($arTels as $tel){
                    //echo $tel;
                    $fieldMulti->Add([
                        'ELEMENT_ID' => $companyId,
                        'ENTITY_ID' => "COMPANY", //"CONTACT","LEAD","DEAL"
                        'TYPE_ID' => "PHONE", //"EMAIL",
                        'VALUE' => $tel,
                        'VALUE_TYPE' => 'WORK',
                    ]);
                }
            }
            /////

        }
    }
}
echo $lastId;
//print_r($arResult);
echo "</pre>";

$arFields = [
   "TITLE"=>$name,
   "UF_CID" =>$arItem["ls"],
   "FM" => ["PHONE"=>[]]
];
$i = 0;
$arTels = explode(" ", $arItem["tel"]);
foreach($arTels as $tel){
                    //echo $tel;
   $s = "n".$i;                    
   $arFields["FM"]["PHONE"][$s] = [
     'VALUE' => $tel, 
     'VALUE_TYPE' => 'WORK'
   ];    
              
}
 $companyId = $company->Add($arFields);